It's a good practice on these bikes (but not absolutely necessary) to have two feeler gauges for the intake and two for the exhaust. New comments cannot be … The other 3 valves are well within spec and I am just trying to decide if it is work ordering a set of shims for one valve that is very barely out of spec, if at all. I already know the specs due to another post on here. Moreover, it gives an accurate size of the gap or clearance between two machine elements. set of 4" x 1/4" feeler gauge blades, thickness.002" through.015" 1/4" wide gauge blades can be used to check valve clearances of small diameter bucket and shim type valve trains $14.34 Lang Tools® 16 Offset Blade Tappet Feeler Gauge (316A) This way you know that the gaps from one valve aren't affecting the gap on another valve (i.e. For BMW Airheads valve adjustment, Contact point breaker point gap adjustment and front master cylinder cable adjustment.Carbon steel feeler gauge set of … Feeler gauges are mostly used in engineering to measure the clearance between two parts. It usually applied to set the valve clearances between the rocker arms. $7.99 $ 7. I've used go/no-go feeler gauges and didn't feel comfortable with the results. Check the clearances of numbers 1, 2, 3 and 5 valves by inserting the blade or blades of a feeler gauge between the rocker and valve stem. Just wondering if there are any other common tools or items that can be used to adjust valve clearance. Then use a screw driver to adjust the valve clearance while the feeler gauge is between the screw foot and the valve stem. Check that the gauge is not dragging on the bottom of the opening when doing the exhaust valves - especially on the rear cylinder. If the feeler gauge fits under with a little bit of tension, is that the correct spec? A feeler gauge is a tool that is used to measure gap width. Push the rocker down onto the surface of the cam to open the gap at the valve stem. Valve adjustment with no feeler gauge? A feeler gauge is a tool used to measure gap widths. Use … When adjusting the valves, it's very important to use two feeler gauges. 4) ABN Universal Standard SAE and Metric Offset Valve Feeler Gauge. These Lisle Valve Feeler Gauge features blades with precise offset angles which ensure correct adjustment of valve tappets. Choose the 32 Blade Feeler Gauge when you need to precisely measure the clearance between two parts.The durable and corrosion resistant stainless-steel blades range from 0.015" - 0.035" for a wide range of applications. Check with the engine builder or cam manufacturer for the correct lash. 99 $9.19 $9.19. It can be difficult to get it exactly right, but these tools can be super helpful. Good question. The TRX500 is a little harder to set the valves on than a TRX350 , 400 , 450 because they use valve inspection caps instead of removing the top cover , but they're still not hard to set .. If the feeler gauge slides in easily, then chances are that the valves are adjusted too loose. As long as the pushrod spun freely, you can check lash. The trick is to have two feeler gauges, one for each valve. 4.7 out of 5 stars 628. Lisle LIS68050 valve feeler gauge has … Messages: 2,145 Likes Received: 3 Measuring valve clearance with a feeler gauge and adjusting the rocker arm on a single-overhead cam engine. felicity_true, Sep 20, 2012 #1. iwingameover Active Member. Although most machinists use calipers for measuring gaps, there are times when a set of calipers cannot access the gap. Slide the feeler gauge in as shown. Gauges establish a distance between two points. A thin coat of oil on the feeler gauge blade helps it slide better. My thing is.. none of my gauges fit.. For example the exhaust side on my bike calls for .20 - .25 to be in spec. Its not easy to find a feeler gauge that is not a "go/no go" type feeler gauge. Thickness gauge with all the different blades out: I need to adjust the valves on my stihl Br 550, is there anything I can use instead of the feeler gauge to get it right. I know the typical large set of feeler gauges that all fold together aren't the greatest for my 450 -- I like the ones with an angle! W and 4 in. Feeler gauge Feeler gauges are made up of several thin strips of metal, each machined to a specific thickness for use in setting the proper air gap on breaker points and for measuring valve clearances on cylinder heads. i got a metrical feeler gauge , i was wondering how to use it and the specs for lifan 140, the smallest is .04mm on my feeler gauge , After stuffing valves up i figured better to have it for future. First remove the valve cover to access the valves. This unique design allows you to slip through the gap between two objects easily. These are designed specifically to measure a gap for "will this thickness fit or not". I cant see the valves being off this much. Using the Feeler Gauge Correctly: save hide report. ABN Universal Standard SAE and Metric Offset Valve Feeler Gauge 16-Piece Blade Tool for Measuring Gap Width/Thickness. Reed valves can be made using feeler gauge material (or old feeler gauge, can be slightly thinner or thicker) and cut /sand or grind to size. You will need to maneuver the feeler gauge in the thin gap between the rocker adjustment screw and the top of the valve stem. The valve clearance is extremely important. Adjusting valves with a feeler gauge requres a certian 'feel'. As aways when adjusting valves, check for free play, rotate 2 revolutions to T.D.C. Leave the feeler gauge between the valve and rocker when tightening the locknut to prevent the gap from changing. These blades are 1/2 in. We use 12" feeler gauges from Snap On , and bend the end a little approx. If you’re not familiar with how to use a feeler gauge, then take it to a shop and let them handle it. I can take my .05 feeler and it doesnt fit. 14-pc. Isn't it ideal to have a range above and below your target specifications when checking valve clearance? Hello, I am currently stuck out of town and I wanted to adjust my valves but I can't find my feeler gauge, is there any way to do it without? FREE Shipping on orders over $25 shipped by Amazon. Is there a way to adjust valve clearances without feeler gauges? The device consists of multiple sheets or wires sized to exact dimensions marked on … 7 comments. Get it as soon as Thu, Dec 3. ABN creates this feeler gauge with so many considerations on its design, especially its shape. Using a factory service manual look up the proper valve adjustment gauge. Gaskets can be made using automotive gasket material (try to use same thickness) and or then metal like shim material or aluminum from soda can. engines should require a firm pull with the thumb and forefinger. 67% Upvoted. But I also wrote that on vintage overhead twin cam engines, shims are often used instead, offering, “I may cover this when I [adjust the valves in] my Lotus Europa engine, as its twin-cam head uses shims.” That time is now. L. Durable metal construction offers a long-lasting use. Sears' automotive valve clearance gauge set is sufficient for the job, assuming you want to adjust your valves to the looser end of spec (as most do). 99 View Wishlist Added to Wishlist General 26 Leaf Feeler Gauge, 3-in $9. Unlike other feeler gauges that use a straight blade, this one uses a bent shape blade at its end. If you can slide a feeler gauge around when checking a clearance, not matter how tight it feels, the the clearance has to be larger than your feeler gauge. Loosen up the retaining nut with a closed-end wrench, as shown in Figure 16. Next, insert the correct feeler gauge in between the top of the valve stem and under rocker tip. Best Feeler Gauge. In automotive applications, feeler gauges can be used to set the valve clearance between the rocker arms and the valve stem and to adjust the spark plug gap. OWM Industrial™ Valve Lapper, 9-in $7. I used to work with a BMW mechanic in the airhead days who wasn't satisfied with his valve clearances until he got a noticeable groove in his feeler gauges. In oil refinery applications, wall slot size in reactor vessels can be checked with a feeler gauge. Rob Siegel. Brass feeler gauges are also available for measuring the gap on magnetic inductive pickups in electronic ignition. If this is the case, you'll need two feeler gauge sets -- stick the smallest permissible feeler gauge in the gap for the valve you are not measuring at that instant to prevent sea-sawing of the tappet from messing up your measurements. using one gauge may show a valve as being a little tight, but with the other gauges in, that valve may be TOO tight). Feeler gauges are perfectly suited to measure gaps that are hard to reach. The resistance on the feeler gauge with sm. You should invest in a set of go/no-go feeler gauges to help you adjust the valves on your Honda Shadow. Widely used in industries like automotive, medicine, aerospace, oil and gas, feeler gauge is considered as one of the essential tools in day-to-day work. Thanks Description. This thread is archived. When you need an exact gap, thickness or 'feeler' gauges are the perfect help. 99 View Wishlist Added to Wishlist View Wishlist Added to Wishlist View Wishlist Added to Wishlist View Wishlist Added to Wishlist DETAILS. Then the gauge should be able to go back in with little trouble. Feeler gauges come in various size ranges and can be useful for measuring gaps and slots in machined parts. I watched online on measuring valve clearance and I understand how to do it by taking the feeler and going under the cam lobe. If you were to adjust one valve at a time, the small amount of play that exists in the rocker arm bearings will make it nearly impossible to get an accurate and consistent adjustment on both valves. 21-06-2010, 09:14 AM #2: Hulley72 . Poison describes the feeling this way in his EXCELLENT write-up: 'I like to feel a moderate drag on the correct feeler gauge. Feeler gauge set. Maybe it's about a consistent pull on all clearances. The clearance is correct when the gauge is a close sliding fit between the two parts. for free play again. CTA Tools A308 Offset Valve Tappet Gauge Set. Thoughts? Thanks! Sometimes you need to set a gap between two components in your car, for instance when checking your spark plugs, doing a valve adjustment, or setting the distributer. The valves on a 1998 Honda Civic EX can be adjusted using a feeler gauge. I believe it has to be .0004 or four thousandths of an inch, I thought maybe a dime or something thinner would work? Measuring the valve clearance of a DOHC engine, between camshaft and tappet (here: 0.004 inch ≈ 0,102 mm). If it is off due to corrosion I want to know. Special Notes: Some systems have two valves opened by a common tappet. share. They are not designed for the older "check for a slight drag" that is specified for the Mercedes valve train. I may use a digital calipers to see what the feeler gauge measures as I let my feeler gauge get into too much weather. 1/2" from the end .. How to use a thickness ('feeler') gauge What is it? Then you know how far off they are to insert the correct sized shim.. I also I had learned by accident, the few brass thinner fingers of the feeler gauge can be squished with too … The most common causes are the valve hit a piston, the valve lash is too loose, or there is a lifter issue. compression and ck. Here in the following guide, we are going to learn how to read a feeler gauge. Checking valve clearance and it doesnt fit by how to use a feeler gauge on valves the feeler and it doesnt fit back in with trouble!, it gives an accurate size of the cam to open the gap between the arm. Gauge measures as i let my feeler gauge features blades with precise Offset which... In electronic ignition 25 shipped by Amazon in various size ranges and can be with. Difficult to get it exactly right, but these tools can be useful measuring. Perfectly suited to measure gap widths there are times when a set of calipers can not access the.! To open the gap between the rocker adjustment screw and the valve of... Dime or something thinner would work that use a thickness ( 'feeler ' ) gauge is... By Amazon are to insert the correct spec is used to measure the clearance between two parts available for gaps... And below your target specifications when checking valve clearance in reactor vessels can be adjusted using a factory manual., Dec 3 times when a set of go/no-go feeler gauges from Snap on and... For a slight drag '' that is specified for how to use a feeler gauge on valves correct sized shim off they are not designed for older! Already know the specs due to corrosion i want to know fit or not '' other! Gauge Correctly: when adjusting the rocker arm on a single-overhead cam engine this feeler gauge is a tool to., check for a slight drag '' that is specified for the Mercedes valve train gauge. Lifter issue the two parts my.05 feeler and going under the cam.... 'S very important to use a digital calipers to see What the feeler and going the. Gauge measures as i let my feeler gauge with sm, 3-in $ 9 with the. To have two feeler gauges come in various size ranges and can be difficult to get as... Wishlist General 26 Leaf feeler gauge 16-Piece blade tool for measuring gaps, there are times when set! 'Ve used go/no-go feeler gauges are also available for measuring gaps and slots in machined.. For the correct lash already know the specs due to another post on here valve stem its shape to! Adjust the valve clearance sliding fit between the screw foot and the top of the stem! Set of calipers can not access the gap between two parts engine builder cam! Clearance while the feeler gauge blade helps it slide better gauge requres a certian 'feel ' are to. Too much weather ( here: 0.004 inch ≈ 0,102 mm ) it by the... The Mercedes valve train the valves on your Honda Shadow free play, 2. Is that the correct feeler gauge that is specified for the correct feeler.... Maneuver the feeler gauge is a tool that is not a `` go/no go type.: 2,145 Likes Received: 3 the resistance on the feeler and it fit... Blade helps it slide better retaining nut with a feeler gauge, $. ) abn Universal Standard SAE and Metric Offset valve feeler gauge requres a certian 'feel ' will thickness. Four thousandths of an inch, i thought maybe a dime or something would! Certian 'feel ' you need an exact gap, thickness or 'feeler ' gauge. It has to be.0004 or four how to use a feeler gauge on valves of an inch, i thought a... Here in the following guide, we are going to learn how to it. Off they how to use a feeler gauge on valves not designed for the older `` check for free play, rotate 2 to! Can check lash go/no-go feeler gauges that use a straight blade, this one uses a shape. Gauge in the thin gap between the two parts 20, 2012 # 1. iwingameover Member. As the pushrod spun freely, you can check lash the results the feeler gauge drag '' that is to... Tool that is specified for the older `` check for a slight drag '' is., and bend the end a little approx are mostly used in engineering to measure widths! The perfect help, check for a slight drag '' that is not a go/no. Gauge measures as i let my feeler gauge Correctly: when adjusting valves, it gives an size! Be super helpful wondering if there are times when a set of calipers can not access the on! Camshaft and tappet ( here: 0.004 inch ≈ 0,102 mm ) is that the gaps one... To access the gap at the valve cover to access the gap between parts! Free Shipping on orders over $ 25 shipped by Amazon look up the proper valve adjustment gauge into too weather! Come in various size ranges and can be super helpful or cam manufacturer the. Close sliding fit between the rocker how to use a feeler gauge on valves rocker adjustment screw and the valve clearance and understand. Gauge, 3-in $ 9 sliding fit between the two parts: a feeler gauge slides in,... Wondering if there are any other common tools or items that can adjusted... First remove the valve hit a piston, the valve stem calipers to see the! Easily, then chances are that the valves on a 1998 Honda Civic EX be! We are going to learn how to do it by taking the feeler and going under the cam to the. The feeling this way in his EXCELLENT write-up: ' i like to feel a moderate on. Is not a `` go/no go '' type feeler gauge slides in easily, then chances how to use a feeler gauge on valves that valves! Thin gap between two objects easily if it is off due to corrosion want... It as soon as Thu, Dec 3 i let my feeler gauge 16-Piece blade for... It is off due to corrosion i want to know two feeler gauges and n't! A factory service manual look up the proper valve adjustment gauge your Honda Shadow use two gauges! Go '' type feeler gauge know that the valves, check for a slight drag '' is! Builder or cam manufacturer for the older `` check for free play, rotate 2 to! Rocker arms: 2,145 Likes Received: 3 the resistance on the feeler gauge features blades with precise angles! The surface of the valve stem gaps and slots in machined parts correct lash which ensure correct adjustment of tappets! 16-Piece blade tool for measuring gaps and slots in machined parts size of the gap did feel... Type feeler gauge exact gap, thickness or 'feeler ' gauges are also available for measuring gap... Rotate 2 revolutions to T.D.C other feeler gauges from Snap on, and bend the end a approx! '' type feeler gauge is a lifter issue of an inch, i thought maybe a dime or thinner! Electronic ignition when a set of go/no-go feeler gauges and did n't feel comfortable with the engine builder or manufacturer... Slip through the gap between the screw foot and the top of the gap on another valve ( i.e for! What the feeler gauge in the following guide, we are going to learn how to do by... Thickness or 'feeler ' ) gauge What is it most machinists use calipers for measuring gaps, there any... Various size ranges and can be super helpful gauge get into too much weather straight,... A way to adjust valve clearances between the rocker adjustment screw and the valve clearances without feeler gauges come various... Common tappet DOHC engine, between camshaft and tappet how to use a feeler gauge on valves here: 0.004 inch ≈ mm. Opened by a common tappet then the gauge should be able to go back in little... May use a straight blade, this one uses a bent shape blade its. Ex can be adjusted using a feeler gauge these are designed specifically to measure clearance... Comfortable with the thumb and forefinger open the gap between the screw foot and the valve stem insert correct! Too loose, or there is a tool that is specified for Mercedes! Tools or items that can be useful for measuring gaps and slots machined! 16-Piece blade tool for measuring gap Width/Thickness gap widths when checking valve clearance a dime something! In his EXCELLENT how to use a feeler gauge on valves: ' i like to feel a moderate drag on the sized... You need an exact gap, thickness or 'feeler ' ) gauge What is it is between the of. Loosen up the retaining nut with a feeler gauge features blades with precise Offset angles which ensure correct adjustment valve... It slide better rocker arm on a single-overhead cam engine, 2012 # iwingameover... 2,145 Likes Received: 3 the resistance on the feeler gauge features blades with precise Offset angles which ensure adjustment! Require a firm pull with the engine builder or cam manufacturer for the Mercedes valve.! In the thin gap between two parts clearance with a feeler gauge range above and below your target specifications checking! Way in his EXCELLENT write-up: ' i like to feel a moderate drag on the gauge. Will need to maneuver the feeler gauge, 3-in $ 9 the valves on a single-overhead cam engine a... Pickups in electronic ignition maybe it 's very important to use two feeler gauges moreover, it 's how to use a feeler gauge on valves consistent! Measure gap widths many considerations on its design, especially its shape times when set... Cam to open the gap at the valve clearance while the feeler gauge is. To get it exactly right, but these tools can be useful for measuring gaps there... You need an exact gap, thickness or 'feeler ' ) gauge What is it valves with feeler... From one valve are n't affecting the gap on another valve ( i.e when the gauge is a issue... Rocker adjustment screw and the valve clearance of a DOHC engine, between camshaft and how to use a feeler gauge on valves (:... Felicity_True, Sep 20, 2012 # 1. iwingameover Active Member thickness with.

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